RS-9
ActiveVitis L. · Grapevine
UNIVERSITY OF CALIFORNIA KEARNEY AGRICULTURAL CENTER
10 August 2026
The variety belongs to the seedless group with a high degree of seedlessness, although rudiments may sometimes be present. The ripening period is 150–160 days. The vines exhibit medium to vigorous growth, and the clusters are conical in shape and medium density, reaching a mass of 700–800 g, and in individual cases up to 2 kg.
The berries are large (7–9 g), dark purple or nearly black in color with a bloom. The variety possesses good transportability. Winter hardiness is at an average level (down to -19…-21 °C), resistance to major fungal diseases, such as downy mildew and powdery mildew, is assessed as low, while resistance to grey mold is noted.
The variety's agrotechnics requires mandatory crop load management and proper vine pruning. Under unfavorable weather conditions, the berries are prone to cracking and rotting during periods of high humidity during ripening; a tendency for shedding upon over-ripening is also possible.
1 jurisdiction
Green indicates countries where the variety is listed in the national catalogue and its seeds are authorized for sale. Expired registrations are marked separately: the variety was previously admitted, but sale is no longer permitted.
The variety is listed in the national registry — its seeds are authorized for sale in this country.
№ Autumn Royal N.*IT 73
Records are sourced from official registry publications. Data sources and legal status
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Same species
Vitis L. · Grapevine
UNIVERSITY OF CALIFORNIA KEARNEY AGRICULTURAL CENTER
Vitis L. · Grapevine
UNIVERSITY OF CALIFORNIA KEARNEY AGRICULTURAL CENTER
Vitis L. · Grapevine
David W.Cain
Vitis L. · Grapevine
VI¥A DEL DEPARTAMENTO DE AGRICULTURA DE LOS EEUU DE ACA. EN EL SERVICIO DE INV. AGRICOLA
Vitis L. · Grapevine
Vitis L. · Grapevine
Nearby in the species list Aurana, Aurelius, Auriu de Ştefăneşti, Aurora, Aurora ISK, Autrichien, Autum black, Autum Seedless, Autumn King, Autumn Royal, Autumn Seedless B., Auxerrois, Auxerrois B, Avana' N., Avanti, Avarengo N., Avesso B, Avgoulato B, Avgoustiatis N, Avgoustolidi